. . . . . . "Bougainville class"@en . . . "The Bougainville-class was designed as a replacement for the ageing Conestoga-class vessels. The two types shared many design similarities, although the Bougainville-class ships were smaller overall[citation needed] and notably featured a distinctive \"hammerhead\" design, including a cephalofoil-shaped bridge at their bows."@en . "The Bougainville-class was designed as a replacement for the ageing Conestoga-class vessels. The two types shared many design similarities, although the Bougainville-class ships were smaller overall[citation needed] and notably featured a distinctive \"hammerhead\" design, including a cephalofoil-shaped bridge at their bows."@en .